NASA study illustrates how global peak oil could impact climate

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Atmospheric carbon dioxide changes over time for the studys five fossil fuel scenarios: business-as-usual (a) coal phase-out (b) and oil use and supply (c-e). Credit: NASAKharecha and Hansen
Atmospheric carbon dioxide changes over time for the study's five fossil fuel scenarios: business-as-usual (a), coal phase-out (b) and oil use and supply (c-e). Credit: NASA/Kharecha and Hansen
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(PhysOrg.com) -- The burning of fossil fuels -- notably coal, oil and gas -- has accounted for about 80 percent of the rise of atmospheric carbon dioxide since the pre-industrial era. Now, NASA researchers have identified feasible emission scenarios that could keep carbon dioxide below levels that some scientists have called dangerous for climate.


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All News summaries for September 10, 2008

NASA Invites Students to Name New Mars Rover

Nov 18, 2008 | User rating: not rated yet
(PhysOrg.com) -- NASA is looking for the right stuff, or in this case, the right name for the next Mars rover. NASA, in cooperation with Walt Disney Studios Motion Pictures' movie WALL-E from Pixar Animation ...

Astronaut outside space station loses tool bag

Nov 18, 2008 | User rating: not rated yet
(AP) -- A spacewalking astronaut whose grease gun erupted in a backpack-sized tool bag accidentally let go of the tote outside the international space station Tuesday, and it floated off along with everything ...

Calif. utilities must use 33 percent renewable energy for power generation by 2020

Nov 18, 2008 | User rating: not rated yet
California utilities, already struggling to meet a law requiring more renewable energy, saw the bar raised even higher Monday.

Global warming predictions are overestimated, suggests study on black carbon

Nov 18, 2008 | User rating: not rated yet
(PhysOrg.com) -- A detailed analysis of black carbon -- the residue of burned organic matter -- in computer climate models suggests that those models may be overestimating global warming predictions.

Scientists discover new planet orbiting dangerously close to giant star

Nov 18, 2008 | User rating: not rated yet
A team of astronomers from Penn State and Nicolaus Copernicus University in Poland has discovered a new planet that is closely orbiting a red-giant star, HD 102272, which is much older than our own Sun. The ...
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